[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.237' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.981296][ T8467] loop0: detected capacity change from 32760 to 0 [ 54.999505][ T8467] ------------[ cut here ]------------ [ 55.005196][ T8467] WARNING: CPU: 1 PID: 8467 at mm/page_alloc.c:4976 __alloc_pages_nodemask+0x5f8/0x730 [ 55.015065][ T8467] Modules linked in: [ 55.019354][ T8467] CPU: 1 PID: 8467 Comm: syz-executor366 Not tainted 5.11.0-rc1-syzkaller #0 [ 55.028141][ T8467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.038890][ T8467] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 55.045500][ T8467] Code: 00 00 0c 00 0f 85 a7 00 00 00 8b 3c 24 4c 89 f2 44 89 e6 c6 44 24 70 00 48 89 6c 24 58 e8 d0 d7 ff ff 49 89 c5 e9 ea fc ff ff <0f> 0b e9 b5 fd ff ff 89 74 24 14 4c 89 4c 24 08 4c 89 74 24 18 e8 [ 55.066016][ T8467] RSP: 0018:ffffc9000103fa98 EFLAGS: 00010246 [ 55.072369][ T8467] RAX: 0000000000000000 RBX: 1ffff92000207f57 RCX: 0000000000000000 [ 55.080739][ T8467] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040cc0 [ 55.088793][ T8467] RBP: 0000000000040cc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.096779][ T8467] R10: ffffffff81b1f6e1 R11: 0000000000000000 R12: 000000000000000d [ 55.104935][ T8467] R13: 000000000000000d R14: 0000000000000000 R15: 0000000044673f01 [ 55.112999][ T8467] FS: 00000000018de880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 55.122621][ T8467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.129826][ T8467] CR2: 00007f21152f1710 CR3: 00000000146f0000 CR4: 0000000000350ee0 [ 55.137998][ T8467] Call Trace: [ 55.141395][ T8467] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 55.148228][ T8467] ? mark_held_locks+0x9f/0xe0 [ 55.153112][ T8467] ? mark_held_locks+0x9f/0xe0 [ 55.157937][ T8467] alloc_pages_current+0x18c/0x2a0 [ 55.163153][ T8467] kmalloc_order+0x2e/0xb0 [ 55.167585][ T8467] kmalloc_order_trace+0x14/0x120 [ 55.172709][ T8467] squashfs_read_table+0x43/0x1e0 [ 55.177755][ T8467] ? kfree+0xdb/0x360 [ 55.181815][ T8467] squashfs_read_xattr_id_table+0x191/0x220 [ 55.187733][ T8467] squashfs_fill_super+0xcfb/0x23b0 [ 55.193239][ T8467] get_tree_bdev+0x421/0x740 [ 55.197927][ T8467] ? init_once+0x20/0x20 [ 55.202236][ T8467] vfs_get_tree+0x89/0x2f0 [ 55.206757][ T8467] path_mount+0x13ad/0x20c0 [ 55.211304][ T8467] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.217727][ T8467] ? strncpy_from_user+0x2a0/0x3e0 [ 55.222954][ T8467] ? finish_automount+0xac0/0xac0 [ 55.227992][ T8467] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 55.235070][ T8467] ? getname_flags.part.0+0x1dd/0x4f0 [ 55.241662][ T8467] __x64_sys_mount+0x27f/0x300 [ 55.246464][ T8467] ? copy_mnt_ns+0xae0/0xae0 [ 55.251269][ T8467] ? syscall_enter_from_user_mode+0x1d/0x50 [ 55.257272][ T8467] do_syscall_64+0x2d/0x70 [ 55.262120][ T8467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.268053][ T8467] RIP: 0033:0x446d1a [ 55.272029][ T8467] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd ad fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da ad fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 55.291937][ T8467] RSP: 002b:00007ffea01d2998 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 55.300434][ T8467] RAX: ffffffffffffffda RBX: 00007ffea01d29f0 RCX: 0000000000446d1a [ 55.308535][ T8467] RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007ffea01d29b0 [ 55.316529][ T8467] RBP: 00007ffea01d29b0 R08: 00007ffea01d29f0 R09: 00007ffe00000015 [ 55.324669][ T8467] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 55.332900][ T8467] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 55.340987][ T8467] Kernel panic - not syncing: panic_on_warn set ... [ 55.347588][ T8467] CPU: 0 PID: 8467 Comm: syz-executor366 Not tainted 5.11.0-rc1-syzkaller #0 [ 55.356452][ T8467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.366608][ T8467] Call Trace: [ 55.369881][ T8467] dump_stack+0x107/0x163 [ 55.374207][ T8467] panic+0x306/0x73d [ 55.378089][ T8467] ? __warn_printk+0xf3/0xf3 [ 55.382783][ T8467] ? __warn.cold+0x1a/0x44 [ 55.387188][ T8467] ? __alloc_pages_nodemask+0x5f8/0x730 [ 55.392720][ T8467] __warn.cold+0x35/0x44 [ 55.396943][ T8467] ? __alloc_pages_nodemask+0x5f8/0x730 [ 55.402489][ T8467] report_bug+0x1bd/0x210 [ 55.406807][ T8467] handle_bug+0x3c/0x60 [ 55.411034][ T8467] exc_invalid_op+0x14/0x40 [ 55.415524][ T8467] asm_exc_invalid_op+0x12/0x20 [ 55.420359][ T8467] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 55.426517][ T8467] Code: 00 00 0c 00 0f 85 a7 00 00 00 8b 3c 24 4c 89 f2 44 89 e6 c6 44 24 70 00 48 89 6c 24 58 e8 d0 d7 ff ff 49 89 c5 e9 ea fc ff ff <0f> 0b e9 b5 fd ff ff 89 74 24 14 4c 89 4c 24 08 4c 89 74 24 18 e8 [ 55.446202][ T8467] RSP: 0018:ffffc9000103fa98 EFLAGS: 00010246 [ 55.452347][ T8467] RAX: 0000000000000000 RBX: 1ffff92000207f57 RCX: 0000000000000000 [ 55.460305][ T8467] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040cc0 [ 55.468263][ T8467] RBP: 0000000000040cc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.476219][ T8467] R10: ffffffff81b1f6e1 R11: 0000000000000000 R12: 000000000000000d [ 55.484180][ T8467] R13: 000000000000000d R14: 0000000000000000 R15: 0000000044673f01 [ 55.492152][ T8467] ? policy_node+0xe1/0x140 [ 55.496658][ T8467] ? debug_check_no_obj_freed+0x20c/0x420 [ 55.502377][ T8467] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 55.509135][ T8467] ? mark_held_locks+0x9f/0xe0 [ 55.513896][ T8467] ? mark_held_locks+0x9f/0xe0 [ 55.518650][ T8467] alloc_pages_current+0x18c/0x2a0 [ 55.523759][ T8467] kmalloc_order+0x2e/0xb0 [ 55.529123][ T8467] kmalloc_order_trace+0x14/0x120 [ 55.535222][ T8467] squashfs_read_table+0x43/0x1e0 [ 55.540624][ T8467] ? kfree+0xdb/0x360 [ 55.545167][ T8467] squashfs_read_xattr_id_table+0x191/0x220 [ 55.551062][ T8467] squashfs_fill_super+0xcfb/0x23b0 [ 55.556951][ T8467] get_tree_bdev+0x421/0x740 [ 55.561943][ T8467] ? init_once+0x20/0x20 [ 55.566260][ T8467] vfs_get_tree+0x89/0x2f0 [ 55.570662][ T8467] path_mount+0x13ad/0x20c0 [ 55.575373][ T8467] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.581624][ T8467] ? strncpy_from_user+0x2a0/0x3e0 [ 55.586734][ T8467] ? finish_automount+0xac0/0xac0 [ 55.591768][ T8467] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 55.598005][ T8467] ? getname_flags.part.0+0x1dd/0x4f0 [ 55.603405][ T8467] __x64_sys_mount+0x27f/0x300 [ 55.608167][ T8467] ? copy_mnt_ns+0xae0/0xae0 [ 55.612749][ T8467] ? syscall_enter_from_user_mode+0x1d/0x50 [ 55.618651][ T8467] do_syscall_64+0x2d/0x70 [ 55.623069][ T8467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.628967][ T8467] RIP: 0033:0x446d1a [ 55.632850][ T8467] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd ad fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da ad fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 55.652449][ T8467] RSP: 002b:00007ffea01d2998 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 55.660856][ T8467] RAX: ffffffffffffffda RBX: 00007ffea01d29f0 RCX: 0000000000446d1a [ 55.668816][ T8467] RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007ffea01d29b0 [ 55.676856][ T8467] RBP: 00007ffea01d29b0 R08: 00007ffea01d29f0 R09: 00007ffe00000015 [ 55.685723][ T8467] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 55.694320][ T8467] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 55.705428][ T8467] Kernel Offset: disabled [ 55.709825][ T8467] Rebooting in 86400 seconds..